COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
diff --git a/arm_compute/runtime/CL/functions/CLCannyEdge.h b/arm_compute/runtime/CL/functions/CLCannyEdge.h
new file mode 100644
index 0000000..e5a82b2
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLCannyEdge.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCANNYEDGE_H__
+#define __ARM_COMPUTE_CLCANNYEDGE_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLCannyEdgeKernel.h"
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute canny edge on OpenCL. This function calls the following OpenCL kernels and functions:
+ *
+ * -# @ref CLFillBorderKernel (if border_mode == REPLICATE or border_mode == CONSTANT)
+ * -# @ref CLSobel3x3 (if gradient_size == 3) or @ref CLSobel5x5 (if gradient_size == 5) or @ref CLSobel7x7 (if gradient_size == 7)
+ * -# @ref CLGradientKernel
+ * -# @ref CLEdgeNonMaxSuppressionKernel
+ * -# @ref CLEdgeTraceKernel
+ *
+ */
+class CLCannyEdge : public IFunction
+{
+public:
+ /** Constructor */
+ CLCannyEdge();
+ /** Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data types supported: U8.
+ * @param[in] upper_thr Upper threshold used for the hysteresis.
+ * @param[in] lower_thr Lower threshold used for the hysteresis.
+ * @param[in] gradient_size Gradient size (3, 5 or 7).
+ * @param[in] norm_type Normalization type. if 1, L1-Norm otherwise L2-Norm.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_type,
+ BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ virtual void run() override;
+
+private:
+ std::unique_ptr<IFunction> _sobel; /**< Pointer to Sobel kernel. */
+ CLGradientKernel _gradient; /**< Gradient kernel. */
+ CLFillBorderKernel _border_mag_gradient; /**< Fill border on magnitude tensor kernel */
+ CLEdgeNonMaxSuppressionKernel _non_max_suppr; /**< Non-Maxima suppression kernel. */
+ CLEdgeTraceKernel _edge_trace; /**< Edge tracing kernel. */
+ CLImage _gx; /**< Source tensor - Gx component. */
+ CLImage _gy; /**< Source tensor - Gy component. */
+ CLImage _mag; /**< Source tensor - Magnitude. */
+ CLImage _phase; /**< Source tensor - Phase. */
+ CLImage _nonmax; /**< Source tensor - Non-Maxima suppressed. */
+ CLImage _visited, _recorded, _l1_list_counter, _l1_stack; /**< Temporary tensors */
+};
+}
+
+#endif /* __ARM_COMPUTE_CLCANNYEDGE_H__ */